php-pecl-trace - Trace is a low-overhead tracing tool for PHP

Trace is a low-overhead tracing tool for PHP.
It can trace all PHP executing, function calls, request information during
run-time. And provides features like Filter, Statistics, Current Status and
so on.
It is very useful to locate blocking, heavy-load problems and debug in all
environments, especially in production environments.
Package built for PHP 7.2.